Research on Security and Privacy of Big Data under Cloud Computing Environment

With the rapid development of computer science, Internet and information technology, the application scale of network is expanding constantly, and the data volume is increasing day by day. Therefore, the demand for data processing needs to be improved urgently, and Cloud computing and big data technology as the product of the development of computer networks came into being. However, the following data collection, storage, and the security and privacy issues in the process of use are faced with many risks. How to protect the security and privacy of cloud data has become one of the urgent problems to be solved. Aiming at the problem of security and privacy of data in cloud computing environment, the security of the data is ensured from two aspects: the storage scheme and the encryption mode of the cloud data.